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swab(1): remove -f

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This commit is contained in:
dtb 2024-07-08 11:30:21 -06:00
parent bf06e91be5
commit a141b95293
Signed by: trinity
GPG Key ID: 34C0543BBB6AF81B
2 changed files with 3 additions and 9 deletions
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3
docs/swab.1
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@ -11,7 +11,6 @@ swab \(en swap bytes
.SH SYNOPSIS
swab
.RB [ -f ]
.RB [ -w\ word_size ]
.\"
.SH DESCRIPTION
@ -20,8 +19,6 @@ Swap the latter and former halves of a block of bytes.
.\"
.SH OPTIONS
.IP \fB-f\fP
Ignore SIGINT signal.
.IP \fB-w\fP\ \fIword_size\fP
Configures the word size; that is, the size in bytes of the block size on which
to operate. The default word size is 2. The word size must be cleanly divisible

9
src/swab.rs
View File

@ -18,7 +18,7 @@
use std::{
env::args,
io::{ stdin, stdout, Error, ErrorKind, Read, Write },
io::{ stdin, stdout, Error, Read, Write },
process::ExitCode,
vec::Vec
};
@ -38,7 +38,7 @@ fn oserr(s: &str, e: Error) -> ExitCode {
}
fn usage(s: &str) -> ExitCode {
eprintln!("Usage: {} [-f] [-w word_size]", s);
eprintln!("Usage: {} [-w word_size]", s);
ExitCode::from(EX_USAGE as u8)
}
@ -48,12 +48,10 @@ fn main() -> ExitCode {
let mut input = stdin();
let mut output = stdout().lock();
let mut force = false;
let mut wordsize: usize = 2;
while let Some(opt) = argv.getopt("fw:") {
while let Some(opt) = argv.getopt("w:") {
match opt.opt() {
Ok("f") => force = true,
Ok("w") => {
if let Some(arg) = opt.arg() {
match arg.parse::<usize>() {
@ -83,7 +81,6 @@ fn main() -> ExitCode {
break oserr(&argv[0], e)
}
},
Err(e) if e.kind() == ErrorKind::Interrupted && force => continue,
Err(e) => break oserr(&argv[0], e)
}
}